Finding the Fourth Proportional to 1,248,968.53, 1,873,520.93 and 395,978.49
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Solution
The fourth proportional to 1,248,968.53, 1,873,520.93 and 395,978.49 is: 593,989.33
Step by Step Solution
- Step 1: Write the proportion equation
1,248,968.53 : 1,873,520.93 = 395,978.49 : x - Step 2: Convert to fraction form
1,248,968.53/1,873,520.93 = 395,978.49/x - Step 3: Cross multiply
1,248,968.53x = 1,873,520.93 × 395,978.49 - Step 4: Simplify right side
1,248,968.53x = 741,873,977,497.30 - Step 5: Solve for x
x = 741,873,977,497.30/1,248,968.53 - Step 6: Final answer
x = 593,989.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.